/var/sadm/pkg is very huge

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1./var/sadm/pkg direcotry Q

Since the pkginfo files in the /var/sadm/pkg/pkg_name is not being touched
if i remove /var/sadm/pkg/pkg_name/save dir, removing the save direcotory is
not going to effect when i run pkgrm or patchrm?  or is the pkginfo files
being called only when i run the command pkginfo, showrev -p and
patchadd -p?

what is the save dir for anyway?




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2./var/sadm/pkg

If /var/sadm/pkg is inadvertently evacuated,

is the machine effectively headed for a reinstall?

.

3.pkg - recreated /var/sadm/install/contents

For some unknown reason, /var/sadm/install/contents is missing
on a couple of our systems, making pkginfo and friends useless.
A web search has not turned up any method for recreating the
database.

So, is there a magic set of commands that I can run to
repopulate that ugly beast?

Linolil

For example; if an RPM database gets corrupt on a linux system.

rm -f /var/lib/rpm/__db*
rpm -vv --rebuilddb

4.for huge "recommended" patch, not enough room in /var/sadm/patch

Not enough room in /var/sadm/patch, the install-script
says.

But on other partitions and disks I have *lots* of
space available.  Just not on the root partition,
which contains /var/sadm/patch (among much else,
of course).

Might this work.

Rename /var/sadm/patch to eg /var/sadm/patch2-original,
then create a patch dir in some partition that had
logs of space, and then make /var/sadm/patch
a symlink to there.



Or should I symlink either higher up the var/sadm tree,
or symlink *several* of those directories?

And is there any reason to *copy* those directories
to where I'm going to symlink to, so that if there's
already some contents, they'll still be "there"?

(That install-script doesn't explicitly check for
this trick -- I hope not.)

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Or is there maybe some better way to do surmount this not-enough-disk pbm?



----------

Of course I do down to single-user before doing
the   ./install_cluster,

but any reason I can't leave everything else
mounted?

I mean, in recent years, has anyone *ever* gotten
hurt by doing that?   (If so, please say how, so we
can all get wised-up on this, uh, danger.)


Thanks!!!

David

5.Repost: Solaris Live Upgrade: questions about /var/sadm

Sorry for the report, seems like my news reader misbehaved (Ah, MSFT!)

 According to the solaris FAQ:

--------8<-----------------

|3.40) Why does installing patches take so much space in /var/sadm?

    All the files that are replaced by a patch are stored under
    /var/sadm/patch/<patch-id>/save so the patch can be safely
    backed out.  Newer patches will save the old files
    under /var/sadm/pkg/<pkg>/save/<patch-id>/undo.Z, for each package
    patches.

    You can remove the <patchdir>/save directory provided you also
    remove the <patchdir>/.oldfilessaved file.  Newer patches will not
    install a .oldfilessaved file.

    Alternatively, you can install a patch w/o saving the old
    files by using the "-d" flag to installpatch.

|3.41) Do I need to back out previous versions of a patch?

    No, unless otherwise stated in the patch README.
    If the previous patch installation saved the old
    files, you may want to reclaim that space.

    Patches can be backed out with (Solaris 2.6+):
     patchrm <patch-id>

    or in earlier releases:

     /var/sadm/patch/<patch-id>/backoutpatch <patch-id>

    Backoutpatch can take an awful long time, especially when the
    patch contained a lot of files.  This is fixed in later versions
    of backoutpatch.

---------------->8---------------------------

Prior to doing the live upgrade, I would like to minimize the size of my
root partition
(containing /var in my case) Can I safely remove all patches (not just the
save directories)
from /var/sadm/patches or will live upgrade do it automatically ?

I presume that after a solaris upgrade, the liste of installed patches on
the system will be NULL ?

Another last point, does "back out patch" mean to go back to the state
BEFORE the patch was applied ?
I don't understand the 3.41 paragraph. What does it mean ? It seems to mean
that whenever you apply a new
patch, you should go back to the previous version before installing ?

Ex: Original package = blabla-01

Apply patch blabla-02  (BlaBla-01 saved)

You now want to apply patch blabla-03.

Does question 3.41 ask: "if you need to install patch blabla-03 you should
first back ou to blabla-01 ?"

If so, what do you do if the README tells you that you have to, but you
REMOVED the save directory ?

Thanks !

6. Solaris Live upgrade: questions about /var/sadm/patch

7. Cleaning Up /var/sadm

8. frequency alphabet for files in /var/sadm/install/contents